6640040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15091}}^1$

素因数の和:15113

約数の個数: 32

約数和(自身を含む): 16299360

約数和(自身を除く): 9659320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 15091, 30182, 60364, 75455, 120728, 150910, 166001, 301820, 332002, 603640, 664004, 830005, 1328008, 1660010, 3320020, 6640040]

約数ペア:

[(1, 6640040), (2, 3320020), (4, 1660010), (5, 1328008), (8, 830005), (10, 664004), (11, 603640), (20, 332002), (22, 301820), (40, 166001), (44, 150910), (55, 120728), (88, 75455), (110, 60364), (220, 30182), (440, 15091)]